Date: Thu, 15 Jan 2009 04:32:53 +0000 (UTC) From: Giorgos Keramidas <keramida@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-6@freebsd.org Subject: svn commit: r187279 - in stable/6/lib/libc: . inet regex sys Message-ID: <200901150432.n0F4WrTJ064337@svn.freebsd.org>
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Author: keramida (doc committer) Date: Thu Jan 15 04:32:53 2009 New Revision: 187279 URL: http://svn.freebsd.org/changeset/base/187279 Log: MFC 182795 from /head Add two example regexps: (1) one for matching all the characters that belong in a character class, and (2) one for matching all the characters *not* in a character class. Submitted by: Mark B, mkbucc at gmail.com Modified: stable/6/lib/libc/ (props changed) stable/6/lib/libc/inet/inet_net_pton.c (props changed) stable/6/lib/libc/regex/re_format.7 stable/6/lib/libc/sys/ (props changed) Modified: stable/6/lib/libc/regex/re_format.7 ============================================================================== --- stable/6/lib/libc/regex/re_format.7 Thu Jan 15 04:31:55 2009 (r187278) +++ stable/6/lib/libc/regex/re_format.7 Thu Jan 15 04:32:53 2009 (r187279) @@ -288,6 +288,14 @@ These stand for the character classes de A locale may provide others. A character class may not be used as an endpoint of a range. .Pp +A bracketed expression like +.Ql [[:class:]] +can be used to match a single character that belongs to a character +class. +The reverse, matching any character that does not belong to a specific +class, the negation operator of bracket expressions may be used: +.Ql [^[:class:]] . +.Pp There are two special cases\(dd of bracket expressions: the bracket expressions .Ql [[:<:]]
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